Calling signal generator e.g. for mobile phone, has visual, acoustic or vibrating generator to notify user that call is incoming if he is not in direct perception range of phone

摘要

The mobile phone has a calling signal generator such as visual, acoustic or vibrating to notify a user that a call is incoming if he is not in the direct perception range of the phone e.g. when he is listening to music on headphones. The music is then switched off.